| AA | Product version number |
| Number assigned by manufacturer or seller to identify the release of a product. |
| AB | Assembly |
| Self explanatory. |
| AC | HIBC (Health Industry Bar Code) |
| Article identifier used within health sector to indicate data used conforms to HIBC. |
| AD | Cold roll number |
| Number assigned to a cold roll. |
| AE | Hot roll number |
| Number assigned to a hot roll. |
| AF | Slab number |
| Number assigned to a slab, which is produced in a particular production step. |
| AG | Software revision number |
| A number assigned to indicate a revision of software. |
| AH | UPC (Universal Product Code) Consumer package code (1-5-5) |
| An 11-digit code that uniquely identifies consumer packaging of a product; does not have a check digit. |
| AI | UPC (Universal Product Code) Consumer package code (1-5-5-1) |
| A 12-digit code that uniquely identifies the consumer packaging of a product, including a check digit. |
| AJ | Sample number |
| Number assigned to a sample. |
| AK | Pack number |
| Number assigned to a pack containing a stack of items put together (eg. cold roll sheets (steel product)). |
| AL | UPC (Universal Product Code) Shipping container code (1-2-5-5) |
| A 13-digit code that uniquely identifies the manufacturer's shipping unit, including the packaging indicator. |
| AM | UPC (Universal Product Code)/EAN (European article number) Shipping container code (1-2-5-5-1) |
| A 14-digit code that uniquely identifies the manufacturer's shipping unit, including the packaging indicator and the check digit. |
| AN | UPC (Universal Product Code) suffix |
| A suffix used in conjunction with a higher level UPC (Universal product code) to define packing variations for a product. |
| AO | State label code |
| A code which specifies the codification of the state's labelling requirements. |
| AP | Heat number |
| Number assigned to the heat (also known as the iron charge) for the production of steel products. |
| AQ |
| Coupon number |
| A number identifying a coupon. |
| AT | Price look up number |
| Identification number on a product allowing a quick electronic retrieval of price information for that product. |
| AU | NSN (North Atlantic Treaty Organization Stock Number) |
| Number assigned under the NATO (North Atlantic Treaty Organization) codification system to provide the identification of an approved item of supply. |
| AV | Refined product code |
| A code specifying the product refinement designation. |
| AW | Exhibit |
| A code indicating that the product is identified by an exhibit number. |
| AX | End item |
| A number specifying an end item. |
| AY | Federal supply classification |
| A code to specify a product's Federal supply classification. |
| AZ | Engineering data list |
| A code specifying the product's engineering data list. |
| BB | Lot number |
| A number indicating the lot number of a product. |
| BC | National drug code 4-4-2 format |
| A code identifying the product in national drug format 4-4-2. |
| BD | National drug code 5-3-2 format |
| A code identifying the product in national drug format 5-3-2. |
| BE | National drug code 5-4-1 format |
| A code identifying the product in national drug format 5-4-1. |
| BF | National drug code 5-4-2 format |
| A code identifying the product in national drug format 5-4-2. |
| BG | National drug code |
| A code specifying the national drug classification. |
| BH | Part number |
| A number indicating the part. |
| BI | Local Stock Number (LSN) |
| A local number assigned to an item of stock. |
| BJ | Next higher assembly number |
| A number specifying the next higher assembly or component into which the product is being incorporated. |
| BK | Data category |
| A code specifying a category of data. |
| BL | Control number |
| To specify the control number. |
| BM | Special material identification code |
| A number to identify the special material code. |
 
| BO |
| Buyer's colour |
| Colour assigned by buyer. |
| BP | Buyer's part number |
| Reference number assigned by the buyer to identify an article. |
| CC | Industry commodity code |
| The codes given to certain commodities by an industry. |
| CG | Commodity grouping |
| Code for a group of articles with common characteristics (e.g. used for statistical purposes). |
| CL | Color number |
| Code for the color of an article. |
| CR | Contract number |
| Reference number identifying a contract. |
| CV | Customs article number |
| Code defined by Customs authorities to an article or a group of articles for Customs purposes. |
| DR | Drawing revision number |
| Reference number indicating that a change or revision has been applied to a drawing. |
| DW | Drawing |
| Reference number identifying a drawing of an article. |
| EC | Engineering change level |
| Reference number indicating that a change or revision has been applied to an article's specification. |
| EF | Material code |
| Code defining the material's type, surface, geometric form plus various classifying characteristics. |
| EN | International Article Numbering Association (EAN) |
| Number assigned to a manufacturer's product according to the International Article Numbering Association. |
| GB | Buyer's internal product group code |
| Product group code used within a buyer's internal systems. |
| GN | National product group code |
| National product group code. Administered by a national agency. |
| GS | General specification number |
| Self explanatory. |
| HS | Harmonised system |
| Self explanatory. |
| IB | ISBN (International Standard Book Number) |
| Self explanatory. |
| IN | Buyer's item number |
| Self explanatory. |
| IS | ISSN (International Standard Serial Number) |
| Self explanatory. |
| IT | Buyer's style number |
| Number given by the buyer to a specific style or form of an article, especially used for garments. |
| IZ | Buyer's size code |
| Code given by the buyer to designate the size of an article in textile and shoe industry. |
| MA | Machine number |
| Self explanatory. |
| MF | Manufacturer's (producer's) article number |
| The number given to an article by its manufacturer. |
| MN | Model number |
| Reference number assigned by the manufacturer to differentiate variations in similar products in a class or group. |
| MP | Product/service identification number |
| Reference number identifying a product or service. |
| NB | Batch number |
| Self explanatory. |
| ON | Customer order number |
| Reference number of a customer's order. |
| PD | Part number description |
| Reference number identifying a description associated with a number ultimately used to identify an article. |
| PL | Purchaser's order line number |
| Reference number identifying a line entry in a customer's order for goods or services. |
| PO | Purchase order number |
| Reference number identifying a customer's order. |
| PV | Promotional variant number |
| Self explanatory. |
| QS | Buyer's qualifier for size |
| Self explanatory. |
| RC | Returnable container number |
| Reference number identifying a returnable container. |
| RN | Release number |
| Reference number identifying a release from a buyer's purchase order. |
| RU | Run number |
| Self explanatory. |
| RY | Record keeping of model year |
| Self explanatory. |
| SA | Supplier's article number |
| Number assigned to an article by the supplier of that article. |
| SG | Standard group of products (mixed assortment) |
| Self explanatory. |
| SK | SKU (Stock keeping unit) |
| Reference number of a stock keeping unit. |
| SN | Serial number |
| Identification number of an item which distinguishes this specific item out of a number of identical items. |
| SRS | RSK number |
| Plumbing and heating. |
| SS | Supplier's supplier article number |
| Article number referring to a sales catalogue of supplier's supplier. |
| ST | Style number |
| Number given to a specific style or form of an article, especially used for garments. |
| TG | Transport group number |
| Additional number to form article groups for packing and/or transportation purposes. |
| UA | Ultimate customer's article number |
| Number assigned by ultimate customer to identify relevant article. |
| UP | UPC (Universal product code) |
| Number assigned to a manufacturer's product by the Product Code Council. |
| VN | Vendor item number |
| Reference number assigned by a vendor/seller identifying a product/service/article. |
| VP | Vendor's (seller's) part number |
| Reference number assigned by a vendor/seller identifying an article. |
| VS | Vendor's supplemental item number |
| Self explanatory. |
| VX | Vendor specification number |
| Self explanatory. |
| ZZZ | Mutually defined |
| Self explanatory. |
